Home / 491,148,386.92-677,780,616.90-271,127,089

Finding the Fourth Proportional to 491,148,386.92, 677,780,616.90 and 271,127,089

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Solution

The fourth proportional to 491,148,386.92, 677,780,616.90 and 271,127,089 is: 374,153,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,148,386.92 : 677,780,616.90 = 271,127,089 : x
  2. Step 2: Convert to fraction form
    491,148,386.92/677,780,616.90 = 271,127,089/x
  3. Step 3: Cross multiply
    491,148,386.92x = 677,780,616.90 × 271,127,089
  4. Step 4: Simplify right side
    491,148,386.92x = 183,764,685,640,721,184
  5. Step 5: Solve for x
    x = 183,764,685,640,721,184/491,148,386.92
  6. Step 6: Final answer
    x = 374,153,088.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.